Unit 3-Symmetric Key Crypto_Part23

Unit 3-Symmetric Key Crypto_Part23 - and some special...

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Unit 3 - 45 Breaking DES In June 1997 a DES encrypted challenge message, sponsored by RSA Data Security Inc., was broken using a distributed brute force attack involving 10,000 computers -the key was recovered in 96 days. Several more DES Challenges have been broken, the most recent in Jan. 1999. This attack involved 100,000 computers
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Unformatted text preview: and some special hardware and required only 22 hours to recover the key. Unit 3 - 46 Deep Crack Source: http://www.eff.org/Privacy/Crypto/Crypto_misc/DESCracker The EFF's US$250,000 DES cracking machine contained 1,856 custom chips and could brute force a DES key in a matter of days...
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This note was uploaded on 03/17/2011 for the course ECE 4472 taught by Professor Ouda during the Fall '10 term at UWO.

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Unit 3-Symmetric Key Crypto_Part23 - and some special...

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